Indium-bismuth-lead alloy



Patented Aug. 18, 1953 UNITED STATES PATENT OFFICE INDIUM-BISMUTH-LEAD ALLOY Albert A. Smith, J r., Metuchen, and John L. Everhart, Linden, N. J assignors to American Smelting and Refining Company, New York, N. Y., a corporation of New Jersey No Drawing. Application October 7, 1950, Serial No. 189,046

1 Claim. (Cl. 75-134) 1 2 This invention relates to alloys and more par- References Cited in the file of this patent ticularly it relates to cadmium-free low fusing UNITED STATES PATENTS pomt alloys.

It is an object of the invention to provide cau- Nufimber Name Date mium-free low melting point alloys. 5 2,218,153 Pray 1940 In accordance with the invention alloys an: OTHER, REFERENCES provided comprising 34-36% Bi, 54-56% In, 9-11% Pb and have fusing points of approximately 73 C.

It will be observed from the compositions tnat 10 these alloys do not contain cadmium and accordingly they are suitable for certain applications as heat transfer media particularly in such applications where cadmium would be detrimental.

What is claimed is: 15

Bureau of Standards Circular No. 382, April 2, 1930, pages 8 and 18.

Campbells List of Alloys, 1930, page 52; published by Amer. Soc. for Testing Materials, Philadelphia, Pa.

French, Industrial and Engineering Chemistry, vol. 27, December 1935; pages 1464 and 1465.

French, Metal Industry (N. Y.), 1937; pages 106 and 107 Low melting po1nt alloys composed of 34-36% Bi, 54 56% In and 941% mggisgehead, Metal F1msh1ng, July 1944, pages ALBERT A SMITH, JR 26gimith, Metal Industry, October 26, 1945; page JOHN EVERHART' American Society for Metals, Cleveland, Ohio,

Metals Handbook, 1948 ed.; pages 744 and 745. 

